Question

The diagram shows the variation of air pressure from an alarm siren at particular instant. The speed
of sound in the air is 340 m/s.
Air pressure
→
distance/m
What is the period of alarm siren?
(1) 0.98 ms
(2) 1.2 ms
(3) 2.35 ms
(4) 2.9 ms​

Answer 1

Answer:

2.35 ms is the ans

i think soo